cmake_minimum_required(VERSION 3.4.3)

# To support both in- and out-of-source builds,
# we check for the presence of the add_llvm_loadable_module command.
# - if this command is not present, we are building out-of-source
if(NOT COMMAND add_llvm_library)
    if (DEFINED LLVM_DIR)
        set(ENV{LLVM_DIR} "${LLVM_DIR}")
    endif()
    if (DEFINED ENV{LLVM_DIR})
        # We need to match the build environment for LLVM:
        # In particular, we need C++11 and the -fno-rtti flag
        set(CMAKE_CXX_STANDARD 11)
	if(CMAKE_BUILD_TYPE MATCHES "Debug")
		set(CMAKE_CXX_FLAGS "-fPIC -std=gnu++11 -O0 -fno-rtti")
	else()
		set(CMAKE_CXX_FLAGS "-fPIC -std=gnu++11 -O3 -fno-rtti")
	endif()
	set(CMAKE_C_FLAGS "-fPIC")

	find_package(LLVM REQUIRED CONFIG)
        
        list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_DIR}")
        include(AddLLVM)

        add_definitions(${LLVM_DEFINITIONS})
        include_directories(${LLVM_INCLUDE_DIRS})

    else()
        message(FATAL_ERROR "\
WARNING: The LLVM_DIR var was not set (required for an out-of-source build)!\n\
Please set this to environment variable to point to the LLVM build directory\
(e.g. on linux: export LLVM_DIR=/path/to/llvm/build/dir)")
    endif()
else()
        set(IN_SOURCE_BUILD 1)
endif()

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include
                    ${CMAKE_CURRENT_BINARY_DIR}/include)

add_subdirectory(lib)
add_subdirectory(tools)

INSTALL(
    DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/ ${CMAKE_CURRENT_BINARY_DIR}/include/
    COMPONENT devel
    DESTINATION include/svf
    FILES_MATCHING
    PATTERN "**/*.h"
    )
